ul.menu{margin: 5px;position: relative;top:1px;}
ul.menu li{float:left;padding: 3px;background: gray;margin-left:5px;border:1px gray solid;
botext-decoration: none;font-family: "宋体";font-size:12px;color:#000;cursor: pointer;list-style: none;}
ul.menu li.active{background: #E8F2FB;border-bottom:1px #E8F2FB solid;}
div.item{border:1px gray solid;background: #E8F2FB;display: none;padding: 10px;}